sealant

seal·ant
S1E1A1L1A1N1T1
/ˈsiːlənt/

noun

Any material used to seal a surface so as to prevent passage of a fluid.

Similar
sealer
OriginEnglish seal ← Middle English sel ← Anglo-Norman see →
Less commonScrabble 7
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Meanings

nounsealant (countable and uncountable, plural sealants)

plural sealants

  1. countableuncountableAny material used to seal a surface so as to prevent passage of a fluid.
  2. countableuncountablebusinessA mixture of polymers, fillers, and pigments used to fill and seal joints where moderate movement is expected.

Synonyms & antonyms

nouna kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface)

Similar
sealer
Broader
sealing material
Also see
sealer

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*sek-?
  2. Proto-Italic*segnom
  3. Latinsignum
  4. Latinsigillum
  5. Anglo-Normansee
  6. Middle Englishsel
  7. Englishseal
  8. Englishsealant

From seal + -ant.

Full word history & related roots →

Translations

Bulgarian уплътнение, изолация
  • уплътнение (uplătnenie)material used to seal a surface so as to prevent passage of a fluid
  • изолация (izolacija)material used to seal a surface so as to prevent passage of a fluid
Dutch kit
  • kitmaterial used to seal a surface so as to prevent passage of a fluid
Finnish tiivistysaine, tiiviste
  • tiivistysainematerial used to seal a surface so as to prevent passage of a fluid
  • tiivistematerial used to seal a surface so as to prevent passage of a fluid
French enduit étanche
  • enduit étanchematerial used to seal a surface so as to prevent passage of a fluid
German Dichtungsmittel, Dichtstoff
  • Dichtungsmittelmaterial used to seal a surface so as to prevent passage of a fluid
  • Dichtstoffmaterial used to seal a surface so as to prevent passage of a fluid
Italian sigillante
  • sigillantematerial used to seal a surface so as to prevent passage of a fluid
Māori herepuru
  • herepurumaterial used to seal a surface so as to prevent passage of a fluid
Polish szczeliwo
  • szczeliwomaterial used to seal a surface so as to prevent passage of a fluid
Russian герме́тик
  • герме́тик (germétik)material used to seal a surface so as to prevent passage of a fluid
Ukrainian герме́тик
  • герме́тик (hermétyk)material used to seal a surface so as to prevent passage of a fluid

Rhymes & wordplay

Anagrams

Natales
Cite this entry
APA

sealant. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/sealant

MLA

“sealant.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sealant. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “sealant,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/sealant.

Source: sealant on Wiktionary, CC BY-SA 4.0.